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st: RE: generating correlated binary data

From   "Joseph Coveney" <>
To   <>
Subject   st: RE: generating correlated binary data
Date   Sun, 14 Jun 2009 13:22:53 +0900

David Airey wrote:

What is the easiest way of generating correlated binary data (greater  
than 2 observations per cluster) in Stata?

I am trying to download this paper:

Al-Osh and Lee (2001) A simple approach for generating correlated  
binary variates. J. Statist. Comput. Simul. Vol. 70, pp. 231-255.


You can download -ovbd- from SSC to generate correlated binary data with two or
more observations per cluster.  You'll also need to have another user-written
command installed, -ridder-, which is called by -ovbd-.  

The syntax for -ovbd- is directly analogous to that of -drawnorm-, except for
the -sd()- option, of course.  For the same reason, there are constraints on
what you can specify for a combination of mean vector and correlation matrix.

Joseph Coveney

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